What kind of device is OBU?

2 Answers
DeSara
07/24/25 4:07am
OBU stands for On-Board Unit. It is a microwave device that uses DSRC (Dedicated Short-Range Communication) technology to communicate with RSU. In the ETC system, the OBU is placed in the vehicle, while the Roadside Unit (RSU) is installed along the roadside, and they communicate with each other via microwave. Here is supplementary information about ETC: The full definition of highway ETC is "Electronic Toll Collection System," with the English acronym "ETC." The ETC system is a large-scale system consisting of two parts: one is the vehicle sensing and signal transmission system installed in dedicated lanes at toll stations, and the other is the electronic tag (OBU) installed in the vehicle, which stores vehicle information.
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McGabriel
08/10/25 11:42pm
I used to drive heavy trucks on highways frequently, and OBU was one of my most commonly used devices. Its full name is On-Board Unit, also known as On-Board Unit, installed on the windshield, and it is the core component of the Electronic Toll Collection (ETC) system. I've had an OBU installed in my vehicle for several years now. It's simple and safe to use, allowing me to pass through toll stations without queuing or stopping, saving a lot of time. Especially for long-distance delivery tasks, the OBU's automatic fee deduction is efficient and reliable, avoiding the hassle of cash change. For maintenance, just regularly wipe off the dust to ensure good signal reception, and replace it at a service point when the battery is low. The OBU supports nationwide networking, enabling seamless cross-province transitions, and its extended functions can connect to navigation to display traffic conditions. I think OBU is a must-have equipment for modern driving, improving efficiency and reducing fatigue. Both new and experienced drivers should give it a try—it's reasonably priced and easy to install.
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